code: def __init__(
      self, error_tolerance, Estimator, identifier_method="backdoor"
  ):
      print("Error tolerance is", error_tolerance)
      self._error_tolerance = error_tolerance
      self._Estimator = Estimator
      self._identifier_method = identifier_method
  
file_path: dowhy/tests/causal_estimators/base.py
imports: import itertools
  import dowhy.datasets
  from dowhy import EstimandType, identify_effect_auto
  from dowhy.graph import build_graph_from_str
label_desc: Use image node_id 1 to create a new SimpleEstimator object from inherited base classes: object with example: obj = SimpleEstimator(error_tolerance, Estimator, identifier_method)